Correct spelling for the English word "liantrol" is [lˈa͡ɪəntɹˌɒl], [lˈaɪəntɹˌɒl], [l_ˈaɪ_ə_n_t_ɹ_ˌɒ_l] (IPA phonetic alphabet).
A blackish brown soft mass prepared from coal-tar; employed externally in eczema.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.